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Inventor

Xungui He

Inventor
Shanghai, CN

Overview

5→
Patents
2013–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Bprimary
C07BGeneral methods of organic chemistry23%
C07DHeterocyclic compounds23%
A61KPreparations for medical, dental or toiletry purposes15%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%
C07HSugars15%
B01DSeparation8%
PatentTitleYear
10,017,472Hydrate of 2-isopropoxy-5-methyl-4-(piperidin-4-yl) aniline dihydrochloride, preparation method and use of the same20189,573,971'Method of preparation of antiviral compounds and useful intermediates thereof'20179,522,915'Method for preparing an important intermediate of linagliptin'20169,260,469'Method of preparation of antiviral compounds and useful intermediates thereof'20168,614,337'S-5-substituent-N-2′-(thiophene-2-yl)ethyl-tetralin-2-amine or chiral acid salts thereof and use for preparing Rotigotine'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2018Patents assigned to 2Y CHEM LTD (2)· patent assignee history
2013–2016Patents assigned to HE XUNGUI (2)· patent assignee history
2013–2016Patents assigned to WANG YANLING (2)· patent assignee history
2013–2016Patents assigned to WANG YUAN (2)· patent assignee history
2013–2018Based in Shanghai, CN· patent location history
2016–2017Patents assigned to CONTRAVIR PHARMACEUTICALS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
2Y CHEM LTD22013–2018
CONTRAVIR PHARMACEUTICALS INC22016–2017
HE XUNGUIself22013–2016
WANG YANLING22013–2016
WANG YUAN22013–2016
Locations
LocationPatentsSpan
Shanghai, CN52013–2018